CN212118084U

CN212118084U - Dish washing machine

Info

Publication number: CN212118084U
Application number: CN202020307150.8U
Authority: CN
Inventors: 黄进杰; 张宇; 施国志; 张林峰; 刘瑶
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-12-11
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a dish washing machine, which comprises a body, wherein an inner container is arranged inside the body; the first end of the conduit is communicated with the inner container, and the second end of the conduit is communicated with the overflow detection switch; at least a portion of said conduit being elevationally above said overflow level; the overflow detection switch is arranged on the body; and a filter screen disposed in the inner container for filtering the washing water flowing into the guide pipe. So set up, when the dish washer breaks down and leads to the uncontrollable inflow, through setting up the filter screen, can play the filtering action to the washing water in the dish washer, prevent that the food waste in the dish washer from getting into the pipe, cause the jam to the pipe. Meanwhile, the washing water cannot become moldy and smelly due to the existence of food residues, the cleanness and sanitation inside the dish washing machine are guaranteed, and the use experience of a user is improved.

Description

Dish washing machine

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to dish washer.

Background

With the gradual improvement of the living standard of people, a plurality of intelligent household appliances are gradually favored by people, and the dish washing machine gradually enters thousands of households. The dish washer is used for automatically cleaning tableware such as bowls and chopsticks, and is used as a kitchen helper, so that the workload of a user can be reduced, and the dish washer is more clean and sanitary.

In the prior art, when a user uses the dish washing machine, because the water inflow of the dish washing machine is controlled by the flow meter or the water level pressure sensor, if the flow meter or the water level pressure sensor breaks down, the water inflow is abnormal, and the water inflow of the inner container of the dish washing machine is too much and exceeds the capacity of the inner container, and the water flow overflows the inner container. Or other parts of the dish washer are broken down, so that water continuously enters the dish washer, and the condition that the water flows over the inner container can also occur. Further affecting the floor, kitchen utensils and even the user's home.

In order to detect the overflow of the dishwasher, patent document CN208693210U discloses that overflow water is matched with a float switch, and after the water level of the overflow water rises to a certain height, the float switch is energized to trigger the detection of the overflow. However, this patent has a problem that the overflowing water has a large amount of food residue and dirt, which easily makes the inside of the dish washer get moldy and smelly in a certain period of time; moreover, a large amount of food residues easily block an overflow structure of the diversion overflow water, so that the overflow detection device fails or other potential safety hazards exist. Thereby making the user experience poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in that the overflow of dish washer detects to have the jam among the prior art to and the dish washer smelly problem of going mildy easily, thereby provide a dish washer.

In order to achieve the purpose, the embodiment of the utility model provides a dish washing machine, which comprises a body, wherein an inner container is arranged inside the body; the inner container is provided with a cleaning space for cleaning tableware, and an overflow water level and a normal water level are arranged in the cleaning space; the first end of the conduit is communicated with the inner container, and the second end of the conduit is communicated with the overflow detection switch; at least a portion of said conduit being higher in height than or equal to said overflow level; the overflow detection switch is arranged on the body; the overflow detection switch has a first state for controlling the body to stop water inflow when the overflow detection switch senses the washing water, and a second state for controlling the body to keep the current working state when the overflow detection switch does not sense the washing water; and a filter screen disposed in the inner container for filtering the washing water flowing into the guide pipe.

Optionally, a portion of the conduit is provided as an inverted U-shaped tube; the liquid level height of the water inlet end of the inverted U-shaped pipe is higher than that of the water outlet end of the inverted U-shaped pipe, and the height of the highest point of the inverted U-shaped pipe is higher than or equal to the overflow water level.

Optionally, one end of the inverted U-shaped pipe is communicated with the overflow detection switch.

Optionally, the conduit comprises a capillary tube and a flow guide tube, and one end of the flow guide tube is communicated with the overflow detection switch.

Optionally, a capillary tube is arranged on the catheter between the inner container and the highest point of the inverted U-shaped tube.

Optionally, the inner diameter of the draft tube is greater than or equal to the inner diameter of the capillary tube.

Optionally, the inner container further comprises a water cup, the water cup is arranged at the bottom of the inner container, and the filter screen is suitable for covering an opening of the water cup.

Optionally, the overflow detection switch is electrically connected to the body.

Optionally, the body is provided with a water storage container, and the overflow detection switch is arranged in the water storage container.

Optionally, the overflow detection switch is any one of a float switch or an electrode switch; the electrode switch comprises a first electrode and a second electrode; the electrode switch has a closed state in which the overflow water turns on the first electrode and the second electrode, and an open state in which the overflow water does not turn on the first electrode and the second electrode.

Compared with the prior art, the utility model, have following advantage:

1. the embodiment of the utility model provides a dish washing machine, which comprises a body, wherein an inner container is arranged inside the body; the inner container is provided with a cleaning space for cleaning tableware, and an overflow water level and a normal water level are arranged in the cleaning space; the first end of the conduit is communicated with the inner container, and the second end of the conduit is communicated with the overflow detection switch; at least a portion of said conduit being elevationally above said overflow level; the overflow detection switch is arranged on the body; the overflow detection switch has a first state for controlling the body to stop water inflow when the overflow detection switch senses the washing water, and a second state for controlling the body to keep the current working state when the overflow detection switch does not sense the washing water; and a filter screen disposed in the inner container for filtering the washing water flowing into the guide pipe.

According to the arrangement, when the dishwasher fails to control the water inflow, the water amount in the inner container can be gradually increased, the water can flow into the guide pipe through the filter screen after reaching the overflow water level, and the washing water in the guide pipe reaches the part of the guide pipe higher than the overflow water level due to the fact that at least one part of the guide pipe is higher than the overflow water level, so that the washing water can flow into the overflow detection switch under the action of gravity. When the overflow detecting switch detects the existence of water flow, the dishwasher is immediately controlled to stop water inflow. And, through setting up the filter screen, can play the filtering action to the washing water in the dish washer, prevent that food waste in the dish washer from getting into the pipe, causing the jam to the pipe. Meanwhile, the washing water cannot become moldy and smelly due to the existence of food residues, the cleanness and sanitation inside the dish washing machine are guaranteed, and the use experience of a user is improved.

2. The utility model discloses a set up the part of pipe into the type of falling U pipe, can be in the inner bag when the water level of washing water is higher than or equal to the overflow water level for the washing water in the type of falling U pipe moves to the delivery port under the action of gravity, thereby forms siphonage in the type of falling U intraductal, and flows into in the overflow detection switch. When the overflow detection switch detects the existence of water flow, the dishwasher is immediately controlled to stop water inflow, so that the adverse effect on the kitchen of a user after water overflow caused by incapability of controlling water inflow of the dishwasher can be prevented. By adopting the inverted U-shaped pipe, the situation that water in the conduit flows into the overflow detection switch when the water level is not overflowed can be avoided.

3. The utility model discloses a be provided with the capillary in falling U type pipe, because capillary action can improve the liquid level of overflow water in the capillary by a wide margin under the condition of the same liquid level to can produce siphon in advance, and then respond to the trouble that dish washer produced the overflow in advance, improve user's use and experience.

3. The utility model discloses a position is the capillary between inner bag and the inverted U-shaped pipe peak on the pipe, can save the use of capillary to can save manufacturing material, reduction in production cost. And simultaneously, the function of lifting the water level of the capillary can be improved to the maximum extent. Therefore, the siphon effect can be generated in advance, the fault that the dish washing machine overflows is induced in advance, and the use experience of a user is improved.

4. The utility model discloses a set up the drinking cup to be suitable for the uncovered that covers the drinking cup with the filter screen. So set up, can prevent that food waste among the dish washer from getting into the pipe, cause the jam to the pipe to the normal work of overflow detection switch has been guaranteed. Meanwhile, food residues can be prevented from flowing into the overflow detection switch, so that the problem that the food residues are rotten to cause odor in the dish washing machine is avoided, and the use experience of a user is improved.

Meanwhile, one end of the guide pipe is connected to the water cup, so that the water cup provided in the prior art can be effectively utilized, a water storage structure is prevented from being separately arranged at other parts of the inner container, and the utilization efficiency of the water cup is greatly improved.

5. The utility model discloses a set up alarm device, can send alarm sound through alarm device when overflow detection switch very first time detects overflow water, inform the user in time to report to the police to the dish washer and repair the processing to user's use experience has been improved.

6. The utility model discloses a set up water storage container, can collect the water that spills over, the water that prevents to spill over causes the corruption to other apparatus in dish washer and kitchen, has improved user's use and has experienced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the dishwasher of the present invention in a first direction;

FIG. 2 is a cross-sectional view of the interior of a dishwasher in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of a portion A of a dishwasher according to an embodiment of the present invention;

FIG. 4 is a schematic view of the dishwasher according to an embodiment of the present invention in a second direction;

FIG. 5 is a schematic structural diagram of a third direction inside the dishwasher according to the embodiment of the present invention;

fig. 6 is an exploded view of a dishwasher according to an embodiment of the present invention.

Reference numerals:

1-a catheter; 101-a draft tube; 102-a capillary tube;

2-inner container; 3-overflow detection switch; 31-a first electrode; 32-a second electrode;

4, filtering the filter screen; 5-a base; 6, draining the pump; 7-a first drain pipe; 8-a respirator; 9-a second drain pipe; 91-a water outlet; 10-a washing pump; 11-a water outlet pipe; 12-a spray arm; 13-a water cup; b-overflow water level; c-normal water level.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

With the gradual improvement of the living standard of people, a plurality of intelligent household appliances are gradually favored by people, and the dish washing machine gradually enters thousands of households. The dish washer is used for automatically cleaning tableware such as bowls and chopsticks, and is used as a kitchen helper, so that the workload of a user can be reduced, and the dish washer is more clean and sanitary. In the related art, in order to detect an overflow of the dishwasher, patent document CN208693210U discloses that overflow water is coupled to a float switch, and when the level of the overflow water rises to a certain level, the float switch is energized to trigger the detection of the overflow. However, this patent has a problem that the overflowing water has a large amount of food residue and dirt, which easily makes the inside of the dish washer get moldy and smelly in a certain period of time; moreover, a large amount of food residues easily block an overflow structure of the diversion overflow water, so that the overflow detection device fails or other potential safety hazards exist. Thereby making the user experience poor. The utility model provides a pair of dish washer can solve among the prior art overflow detection of dish washer and have the jam to and dish washer moldy smelly problem easily.

As shown in fig. 1-6, the embodiment of the present invention provides a dishwasher, which comprises a body, and a duct 1, an inner container 2, an overflow detection switch 3 and a filter screen 4 arranged inside the body. The inner container 2 has a washing space for washing dishes, and an overflow water level B and a normal water level C are provided in the washing space. Obviously, the level of overflow water B is higher than the normal level C. The first end of the conduit 1 is communicated with the inner container 2, the second end is communicated with the overflow detection switch 3, and at least one part of the conduit 1 is higher than or equal to the overflow water level.

The overflow detecting switch 3 is provided on the base 5, and has two operating states at the time of operation: when the washing water is sensed, the control body stops the first state of water inlet, and when the washing water is not sensed, the control body keeps the second state of the current working state.

As shown in fig. 1, a filter net 4 is provided on the inner container to filter the washing water flowing into the guide duct 1.

When the dishwasher is normally operated, the operating water level of the dishwasher is always below the overflow water level.

When the dishwasher is out of order and the water inlet amount cannot be controlled, the water level in the conduit 1 is continuously increased along with the continuous increase of the water level in the inner container 2. The water level in the conduit 1 is the same as the water level in the inner container 2 due to the atmospheric pressure. When the water level in the inner container 2 reaches the overflow water level B, the washing water flowing into the conduit 1 through the filter screen 4 reaches the portion of the conduit 1 higher than the overflow water level, and when the washing water in the conduit 1 reaches the highest point of the conduit 1, the washing water flows into the overflow detection switch 3 under the action of gravity. When the overflow detection switch detects the existence of water flow, the dishwasher is immediately controlled to stop water inflow, so that the adverse effect on the kitchen of a user after water overflow caused by incapability of controlling water inflow of the dishwasher can be prevented.

And, through setting up filter screen 4, can play the filtering action to the washing water in the dish washer, prevent that food waste in the dish washer from getting into pipe 1, cause the jam to pipe 1 to the normal work of overflow detection switch 3 has been guaranteed. Meanwhile, because the filter screen 4 filters the food residues, the washing water flowing into the overflow detection switch 3 cannot become moldy and smelly due to the existence of the food residues, the cleanness and sanitation inside the dish washing machine are ensured, and the use experience of a user is improved.

In the embodiment of the present invention, as an optional implementation manner, the conduit 1 itself may be a flexible pipe or a hard pipe, and at this time, the conduit may be directly connected to the side wall of the inner container 2, and the filter screen 4 is disposed at the corresponding position of the side wall. The height of the connecting end of the conduit 1 and the inner container 2 is higher than or equal to the overflow water level. When the water level of the washing water in the inner tub 2 is higher than or equal to the overflow water level, the washing water may directly flow into the overflow detecting switch 3 through the guide pipe 1, and when the overflow detecting switch 3 detects the presence of the water flow, the dishwasher is immediately controlled to stop the water supply.

In a preferred embodiment, an inverted U-shaped pipe may be disposed at a position of a portion of the conduit 1, and a liquid level at a water inlet end of the inverted U-shaped pipe is higher than a liquid level at a water outlet end of the inverted U-shaped pipe. And the highest point of the inverted U-shaped pipe is higher than or equal to the overflow water level in height.

Thus, by setting the portion of the guide pipe 1 as the inverted U-shaped pipe, when the water level of the washing water in the inner tub 2 is higher than or equal to the overflow water level, the washing water in the inverted U-shaped pipe moves toward the water outlet under the action of gravity, so that a siphon phenomenon is formed in the inverted U-shaped pipe and flows into the overflow detecting switch 3. When the overflow detection switch 3 detects the existence of water flow, the dishwasher is immediately controlled to stop water inflow, so that the adverse effect on the kitchen of a user after water overflow caused by incapability of controlling water inflow of the dishwasher can be prevented. Also, by adopting the inverted U-shaped pipe, it is possible to prevent the washing water in the pipe 2 from flowing into the overflow detecting switch 3 at the non-overflow water level.

As a preferred embodiment, an inverted U-shaped tube portion of the conduit 1 may be provided at one end of the conduit 1. In this embodiment, one end of an inverted U-shaped pipe is directly connected to the overflow detecting switch 3. The guide duct 1 may include a capillary tube 102 and a guide duct 101, and preferably, a portion of the inverted U-shaped tube adjacent to the overflow detecting switch 3 is provided as the guide duct 101, and a portion of the inverted U-shaped tube adjacent to the inner tank 2 is provided as the capillary tube 102. The draft tube 101 and the capillary tube 102 may also be interchanged in one position.

So set up, through being provided with capillary 102 in falling the U type pipe, because capillary action, can improve the liquid level of overflow water in capillary 102 by a wide margin under the condition of the same liquid level to can produce the siphon effect in advance, and then respond to the trouble that dish washer produced the overflow in advance, improve user's use and experienced.

It is obviously understood that, at this time, one end of the draft tube 101 is directly communicated with the overflow detecting switch 3. In order to maximize the effect of the capillary tube 102, the capillary tube 102 is located on the conduit 1 between the liner 2 and the highest point of the inverted U-shaped tube.

With such an arrangement, the use of the capillary 102 can be saved, so that the production material can be saved, and the production cost can be reduced. And simultaneously, the water level lifting effect of the capillary tube 102 can be improved to the maximum extent. Therefore, the siphon effect can be generated in advance, the fault that the dish washing machine overflows is induced in advance, and the use experience of a user is improved.

Of course, in this embodiment, one end of the inverted U-shaped tube may be directly communicated with the inner container 2, which is not described herein.

As an alternative embodiment, the inverted U-shaped tube portion of the guide tube 1 may be provided in the middle of the guide tube 1. Similarly, the conduit 1 may include a capillary 102 and a flow conduit 101, and in order to maximize the function of the capillary 102, a portion of the conduit 1 between the liner 2 and the highest point of the inverted U-shaped tube is the capillary 102, and a portion of the conduit 1 between the overflow detecting switch 3 and the highest point of the inverted U-shaped tube is the flow conduit 101.

In both embodiments, the draft tube 101 has an inner diameter greater than or equal to the inner diameter of the capillary 102. So that it is possible to ensure that the washing water in the capillary tube 102 can be smoothly discharged.

In the present embodiment, as shown in fig. 2 and 3, the inner container 2 further includes a water cup 13, the water cup 13 is disposed at the bottom of the inner container 2, and the filter screen 4 is adapted to cover the opening of the water cup 13. As can be understood from the figure, one end of the conduit 1 close to the inner container 2 is communicated with the water cup 13 of the inner container 2, and the other end of the conduit 1 is directly connected with the overflow detection switch 3.

So arranged, by arranging the cup 13 and adapting the filter screen 4 to cover the opening of the cup 13. So set up, can prevent food waste in the dishwasher from entering into drain pump 6 and washing pump 10 communicated with drinking cup 13, and can also prevent food waste from entering into the conduit 1 further, cause the jam to conduit 1, drain pump 6 and washing pump 10, thus guaranteed the normal work of overflow detection switch 3 and dishwasher. Meanwhile, food residues can be prevented from flowing into the overflow detection switch 3, so that the problem that the food residues are rotten to cause odor in the dishwasher is avoided, and the use experience of a user is improved.

Meanwhile, one end of the guide pipe 2 is connected to the water cup 13, so that the water cup 13 provided in the prior art can be effectively utilized, a water storage structure is prevented from being separately arranged at other parts of the inner container, and the utilization efficiency of the water cup 13 is greatly improved.

The body is also provided with an alarm device which is electrically connected with the overflow detection switch 3. Can be when the washing water is detected to overflow detection switch 3 very first time, overflow detection switch 3 switches on, and alarm device circular telegram simultaneously to send out alarm sound, inform the user in time to report to the correct processing to dishwasher, thereby improved user's use and experienced.

The body is also provided with a base 5 below the inner container 2, and the base 5 is provided with a discharge pipe communicated with the outside. The overflow detecting switch 3 may be provided on the base 5. So set up, can be when the dish washer takes place the overflow condition, the washing water that will overflow discharges to the external world through the drain pipe. Or when the overflow detection switch 3 is invalid, the overflowing washing water can be discharged at the first time, so that the corrosion to the dish washing machine and other appliances in the kitchen is prevented, and the use experience of a user is improved.

The overflow detecting switch 3 may be either a float switch or an electrode switch. The electrode switch includes a first electrode 31 and a second electrode 32. When the overflow water passes through the first electrode 31 and the second electrode 32, and the first electrode 31 and the second electrode 32 can be electrified, the automatic water inlet pump stops working after the control device arranged inside the dishwasher receives the electric signal sent by the electrode switch, and the water inlet is stopped inside the inner container 2 of the dishwasher.

In order to further improve the dishwasher, the present embodiment is further provided with a water storage container in which the overflow detecting switch 3 is provided at the body. Therefore, overflowing water can be collected, so that the phenomenon that the overflowing water corrodes the dish washing machine and other appliances in a kitchen can be prevented, and the use experience of a user is improved.

As shown in fig. 4, the drain pump 6 is provided on the base 5. When the dishwasher drains, the drain pump 6 is operated, and the drain pump 6 operates to pump the washing water in the tub 2. Then, the washing water passes through the first drain pipe 7, the breather 8, the drain pipe 9, and the drain port 91 in this order and is discharged to the outside.

As shown in fig. 5, the washing pump 10 is provided on the base 5. When the dishwasher washes, the washing pump 10 starts to work, and pumps the washing water in the inner container 2, then the washing water is conveyed to the spray arm 12 through the water outlet pipe 11 of the washing pump 10, the washing water is sprayed out from the spray arm 12, and the spray arm 12 rotates.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A dishwasher, comprising:

a body, an inner container (2) is arranged inside the body; the inner container (2) is provided with a cleaning space for cleaning tableware, and an overflow water level and a normal water level are arranged in the cleaning space;

a duct (1) having a first end connected to the inner container (2) and a second end connected to the overflow detection switch (3); at least a portion of said conduit (1) being higher in height than or equal to said overflow level;

the overflow detection switch (3) is arranged on the body; the overflow detection switch (3) has a first state for controlling the body to stop water inflow when the washing water is sensed, and a second state for controlling the body to keep the current working state when the washing water is not sensed;

and a filter screen (4) provided in the inner tub (2) for filtering the washing water to be flowed into the guide duct (1).

2. The dishwasher of claim 1, characterized in that the portion of the conduit (1) is provided as an inverted U-shaped tube; the liquid level height of the water inlet end of the inverted U-shaped pipe is higher than that of the water outlet end of the inverted U-shaped pipe, and the height of the highest point of the inverted U-shaped pipe is higher than or equal to the overflow water level.

3. The dishwasher of claim 2, characterized in that one end of the inverted U-shaped pipe communicates with the overflow water detecting switch (3).

4. The dishwasher of claim 3, wherein the duct (1) comprises a capillary tube (102) and a draft tube (101), and one end of the draft tube (101) is communicated with the overflow detecting switch (3).

5. The dishwasher of claim 4, characterized in that the conduit (1) is a capillary tube (102) located between the inner container (2) and the highest point of the inverted U-shaped tube.

6. The dishwasher of claim 5, characterized in that the inner diameter of the draft tube (101) is greater than or equal to the inner diameter of the capillary tube (102).

7. The dishwasher of any one of claims 1 to 6, characterized in that the inner container (2) further comprises a cup (13), the cup (13) being arranged at the bottom of the inner container (2), the filter sieve (4) being adapted to cover an opening of the cup (13), the first end of the conduit (1) being in communication with the cup (13).

8. The dishwasher of any one of claims 1 to 6, further comprising an alarm device provided to the body and electrically connected to the overflow water detecting switch (3).

9. The dishwasher of any one of claims 1 to 6, wherein the body is provided with a water storage container in which the overflow water detecting switch (3) is provided.

10. The dishwasher according to any one of claims 1 to 6, wherein the overflow detecting switch (3) is any one of a float switch or an electrode switch; the electrode switch comprises a first electrode (31) and a second electrode (32); the electrode switch has a closed state in which the overflow conducts the first electrode (31) with the second electrode (32), and an open state in which the overflow does not conduct the first electrode (31) with the second electrode (32).